From: Oliver Upton <oliver.upton@linux.dev>
To: kvmarm@lists.linux.dev
Cc: kvm@vger.kernel.org, Will Deacon <will@kernel.org>,
Julien Thierry <julien.thierry.kdev@gmail.com>,
Marc Zyngier <maz@kernel.org>,
Alexandru Elisei <alexandru.elisei@arm.com>,
Andre Przywara <andre.przywara@arm.com>,
Oliver Upton <oliver.upton@linux.dev>
Subject: [PATCH kvmtool 0/9] arm: Drop support for 32-bit kvmtool
Date: Tue, 25 Mar 2025 14:39:30 -0700 [thread overview]
Message-ID: <20250325213939.2414498-1-oliver.upton@linux.dev> (raw)
The last stable kernel to support 32-bit KVM/arm is 5.4, which is on
track for EOL at the end of this year. Considering this, and the fact
that 32-bit KVM never saw much usage in the first place, it is probably
time to toss out the coprolite.
Of course, this has no effect on the support for 32-bit guests on 64-bit
KVM.
RFC: https://lore.kernel.org/kvmarm/20250314222516.1302429-1-oliver.upton@linux.dev/
RFC -> v1:
- Collected Marc's Acks
- Cleaned up some forgotten references to CONFIG_ARM (Alex)
- Minor nits on includes, defines (Alex)
Oliver Upton (9):
Drop support for 32-bit arm
arm64: Move arm64-only features into main directory
arm64: Combine kvm.c
arm64: Merge kvm-cpu.c
arm64: Combine kvm-config-arch.h
arm64: Move remaining kvm/* headers
arm64: Move asm headers
arm64: Rename top-level directory
arm64: Get rid of the 'arm-common' include directory
INSTALL | 9 +-
Makefile | 40 +--
arm/aarch32/arm-cpu.c | 50 ---
arm/aarch32/include/asm/kernel.h | 8 -
arm/aarch32/include/asm/kvm.h | 311 ------------------
arm/aarch32/include/kvm/barrier.h | 10 -
arm/aarch32/include/kvm/fdt-arch.h | 6 -
arm/aarch32/include/kvm/kvm-arch.h | 18 -
arm/aarch32/include/kvm/kvm-config-arch.h | 8 -
arm/aarch32/include/kvm/kvm-cpu-arch.h | 24 --
arm/aarch32/kvm-cpu.c | 132 --------
arm/aarch32/kvm.c | 14 -
arm/aarch64/include/kvm/fdt-arch.h | 6 -
arm/aarch64/include/kvm/kvm-arch.h | 22 --
arm/aarch64/include/kvm/kvm-config-arch.h | 29 --
arm/aarch64/include/kvm/kvm-cpu-arch.h | 19 --
arm/aarch64/kvm.c | 212 ------------
arm/kvm-cpu.c | 153 ---------
{arm/aarch64 => arm64}/arm-cpu.c | 4 +-
{arm => arm64}/fdt.c | 4 +-
{arm => arm64}/gic.c | 2 +-
{arm => arm64}/gicv2m.c | 2 +-
{arm/aarch64 => arm64}/include/asm/image.h | 0
{arm/aarch64 => arm64}/include/asm/kernel.h | 0
{arm/aarch64 => arm64}/include/asm/kvm.h | 0
{arm/aarch64 => arm64}/include/asm/pmu.h | 0
.../include/asm/sve_context.h | 0
.../arm-common => arm64/include}/gic.h | 0
{arm/aarch64 => arm64}/include/kvm/barrier.h | 0
.../include/kvm}/fdt-arch.h | 0
.../include/kvm}/kvm-arch.h | 8 +-
.../include/kvm}/kvm-config-arch.h | 24 +-
.../include/kvm}/kvm-cpu-arch.h | 10 +-
.../arm-common => arm64/include}/pci.h | 0
.../arm-common => arm64/include}/timer.h | 0
{arm => arm64}/ioport.c | 0
{arm/aarch64 => arm64}/kvm-cpu.c | 289 ++++++++++++----
{arm => arm64}/kvm.c | 209 +++++++++++-
{arm => arm64}/pci.c | 4 +-
{arm/aarch64 => arm64}/pmu.c | 2 +-
{arm/aarch64 => arm64}/pvtime.c | 0
{arm => arm64}/timer.c | 4 +-
builtin-run.c | 2 +-
hw/cfi_flash.c | 2 +-
hw/rtc.c | 2 +-
hw/serial.c | 2 +-
virtio/core.c | 2 +-
47 files changed, 498 insertions(+), 1145 deletions(-)
delete mode 100644 arm/aarch32/arm-cpu.c
delete mode 100644 arm/aarch32/include/asm/kernel.h
delete mode 100644 arm/aarch32/include/asm/kvm.h
delete mode 100644 arm/aarch32/include/kvm/barrier.h
delete mode 100644 arm/aarch32/include/kvm/fdt-arch.h
delete mode 100644 arm/aarch32/include/kvm/kvm-arch.h
delete mode 100644 arm/aarch32/include/kvm/kvm-config-arch.h
delete mode 100644 arm/aarch32/include/kvm/kvm-cpu-arch.h
delete mode 100644 arm/aarch32/kvm-cpu.c
delete mode 100644 arm/aarch32/kvm.c
delete mode 100644 arm/aarch64/include/kvm/fdt-arch.h
delete mode 100644 arm/aarch64/include/kvm/kvm-arch.h
delete mode 100644 arm/aarch64/include/kvm/kvm-config-arch.h
delete mode 100644 arm/aarch64/include/kvm/kvm-cpu-arch.h
delete mode 100644 arm/aarch64/kvm.c
delete mode 100644 arm/kvm-cpu.c
rename {arm/aarch64 => arm64}/arm-cpu.c (96%)
rename {arm => arm64}/fdt.c (99%)
rename {arm => arm64}/gic.c (99%)
rename {arm => arm64}/gicv2m.c (99%)
rename {arm/aarch64 => arm64}/include/asm/image.h (100%)
rename {arm/aarch64 => arm64}/include/asm/kernel.h (100%)
rename {arm/aarch64 => arm64}/include/asm/kvm.h (100%)
rename {arm/aarch64 => arm64}/include/asm/pmu.h (100%)
rename {arm/aarch64 => arm64}/include/asm/sve_context.h (100%)
rename {arm/include/arm-common => arm64/include}/gic.h (100%)
rename {arm/aarch64 => arm64}/include/kvm/barrier.h (100%)
rename {arm/include/arm-common => arm64/include/kvm}/fdt-arch.h (100%)
rename {arm/include/arm-common => arm64/include/kvm}/kvm-arch.h (96%)
rename {arm/include/arm-common => arm64/include/kvm}/kvm-config-arch.h (54%)
rename {arm/include/arm-common => arm64/include/kvm}/kvm-cpu-arch.h (82%)
rename {arm/include/arm-common => arm64/include}/pci.h (100%)
rename {arm/include/arm-common => arm64/include}/timer.h (100%)
rename {arm => arm64}/ioport.c (100%)
rename {arm/aarch64 => arm64}/kvm-cpu.c (70%)
rename {arm => arm64}/kvm.c (59%)
rename {arm => arm64}/pci.c (98%)
rename {arm/aarch64 => arm64}/pmu.c (99%)
rename {arm/aarch64 => arm64}/pvtime.c (100%)
rename {arm => arm64}/timer.c (95%)
base-commit: e48563f5c4a48fe6a6bc2a98a9a7c84a10f043be
--
2.39.5
next reply other threads:[~2025-03-25 21:39 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-03-25 21:39 Oliver Upton [this message]
2025-03-25 21:39 ` [PATCH kvmtool 1/9] Drop support for 32-bit arm Oliver Upton
2025-03-25 21:39 ` [PATCH kvmtool 2/9] arm64: Move arm64-only features into main directory Oliver Upton
2025-03-25 21:39 ` [PATCH kvmtool 3/9] arm64: Combine kvm.c Oliver Upton
2025-03-25 21:39 ` [PATCH kvmtool 4/9] arm64: Merge kvm-cpu.c Oliver Upton
2025-03-25 21:39 ` [PATCH kvmtool 5/9] arm64: Combine kvm-config-arch.h Oliver Upton
2025-03-25 21:39 ` [PATCH kvmtool 6/9] arm64: Move remaining kvm/* headers Oliver Upton
2025-03-25 21:39 ` [PATCH kvmtool 7/9] arm64: Move asm headers Oliver Upton
2025-03-25 21:39 ` [PATCH kvmtool 8/9] arm64: Rename top-level directory Oliver Upton
2025-03-25 21:39 ` [PATCH kvmtool 9/9] arm64: Get rid of the 'arm-common' include directory Oliver Upton
2025-03-27 16:32 ` [PATCH kvmtool 0/9] arm: Drop support for 32-bit kvmtool Alexandru Elisei
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